Finding the Fourth Proportional to 7,529.70, 10,400.90 and 5,782.89

Step by Step Solution

1. Step 1: Write the proportion equation
   7,529.70 : 10,400.90 = 5,782.89 : x
2. Step 2: Convert to fraction form
   7,529.70/10,400.90 = 5,782.89/x
3. Step 3: Cross multiply
   7,529.70x = 10,400.90 × 5,782.89
4. Step 4: Simplify right side
   7,529.70x = 60,147,231.69
5. Step 5: Solve for x
   x = 60,147,231.69/7,529.70
6. Step 6: Final answer
   x = 7,988.00